Adsumudi

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The Monstrously Fun Game of Creative Mental Math

Quick to learn and play, Adsumudi is the card game of marvelously mind-twisting math puzzles that transforms numbers into fun for the whole family.

9+

2-8

15m

Made in
the USA

Easy to differentiate for any age

Each card has a star ranking for difficulty. Multiple challenges per card for different ages and ability levels.

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Fun way to practice math facts

Fun alternative to math workbooks perfect for families or the classroom. Easy educational travel game for kids of different ages.

Play for free online, too

Play your favorite math game online, too! Endless new Adsumudi cards, complete with step-by-step hints. Perfect for at-home learning.

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How to play Adsumudi

1. Make Adsumudi's answer

Use any combination of +, -, x, and ÷ with the numbers on the card.

2. Show your math

Shout "Adsumudi!" to pause the game and prove that your math works.

3. Collect the card

If your math checks out, keep the card and continue playing with the next one.

4. Five cards wins

The first player to collect 5 cards wins! Or for a shorter game, play to 3.

Each card has a star ranking for overall difficulty

1 Star =
easiest for all levels

Example equations:

Easy:
2 + 4 = 6

Medium:
(12 - 4) - 2 = 6

Hard:
10 - 2 - (14 - 12) = 6

Monstrously Hard:
14 - 4 - 2 - (12 - 10) = 6

2 stars =
getting harder

Example equations:

Easy:
6 x 3 = 18

Medium:
6 + 3 + 9 = 18

Hard:
(9 ÷ (14 - 11)) x 6 = 18

Monstrously Hard:
14 ÷ (6 ÷ (9 ÷ 3)) + 11 = 18

3 stars =
most challenging

Example equations:

Easy:
15 + 12 = 27

Medium:
3 x (24 - 15) = 27

Hard:
15 ÷ (17 - 12) + 24 = 27

Monstrously Hard:
(24 ÷ 12) x (15 ÷ 3) + 17 = 27

What's in the box

52 durable, double-sided cards ranked by overall difficulty. Made in the USA.

4 math challenges per side for different levels of simultaneous or incremental play.

416+ unique challenges in the box (8 total per card; 4 per side).

Full instructions with multiple ways to play, plus tips, tricks & hints.  Translations available online.

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